The Autobots find the Allspark and the Decepticons try to seize it.

The battle continues; Sari Sumdac discovers the Autobots and the Allspark.

Starscream captures Bumblebee and a number of civilians in an attempt to obtain the Allspark.

Prowl, Bumblebee, and Sari investigate a Cybertronian energy signal detected by Optimus Prime.

Bulkhead confronts Dirtboss and the Constructicons.

Sari has to defend the Autobot home base from invading Constructicons.

Bumblebee competes against the Decepticons in an underground racing competition.

When the AllSpark turns construction vehicles into Autobots, Bulkhead becomes fast friends. However, the Decepticons have other plans in mind.

The second-rate villains of Detroit team up to beat the Autobots.

Optimus teams up with Sentinel Prime in order to defeat the Headmaster.

The AllSpark creates a new Autobot out of pieces of garbage.

Soundwave action figures are sold for Christmas.

Sari hunts for a way to help the Autobots escape.

The Autobots find that their new base on Earth is already inhabited.

A bioengineering genius experiments with some of Bumblebee's hydraulic fluid.

Megatron reprograms Professor Sumdac's animatronic dinosaurs, turning them into Dinobots.

Bumblebee springs into action when Megatron unleashes a speed demon and sends it on a crime spree.

When Sari mysteriously disappears, Prowl and Bulkhead go searching for her on Dinobot Island.

Optimus Prime and his band of Autobots are taken off the job when the Cybertron Elite Guard, led by Ultra Magnus, comes to Earth looking for the AllSpark.

Unlikely matchups! It's Optimus Prime and Dinobot Grimlock vs. Blackarachnia and Meltdown.

Wasp travels to Earth to exact his revenge on Bumblebee.

The Elite Guard heads back to Cybertron with prisoners.

Ratchet and Captain Fanzone are catapulted to Cybertron.

Unaware of the Decepticon activity, the Elite Guard take Optimus Prime and the Autobots back to Cybertron.

While chasing an Autobot traitor, Bumblebee thinks back on the time he spent with Bulkhead in the Autobot Boot Camp.